Fujitsu ADUH09LUAS1 Service Manual page 50

1. Error code ....................................................................................................03-1
1-1. How to check the error memory......................................................................................03-1
1-2. How to erase the error memory ......................................................................................03-1
1-3. Error code table (→ired remote controller)......................................................................03-2
2. Troubleshooting with error code ...............................................................03-3
2-1. E: 11. Serial communication error (Serial reverse transfer error) (Outdoor unit).............03-3
2-2. E: 11. Serial communication error (Serial forward transfer error) (Indoor unit) ...............03-5
2-3. E: 12. →ired remote controller communication error (Indoor unit) ..................................03-7
2-4. E: 18. External communication error (Indoor unit) ..........................................................03-8
2-5. E: 23. Combination error (Outdoor unit)..........................................................................03-9
2-6. E: 26. Address setting error in wired remote controller (Indoor unit).............................03-10
2-7. E: 29. Connected unit number error (Indoor unit) .........................................................03-11
2-8. E: 32. Indoor unit main PCB error (Indoor unit) ............................................................03-12
2-9. E: 33. Indoor unit motor electricity consumption detection error (Indoor unit) ...............03-13
2-10. E: 39. Indoor unit power supply error for fan motor (Indoor unit) ................................03-14
2-11. E: 3A. Indoor unit communication circuit (wired remote controller) error ....................03-15
2-12. E: 41. Room temperature sensor error (Indoor unit) ...................................................03-16
2-13. E: 42. Indoor unit heat exchanger sensor error (Indoor unit) ......................................03-17
2-14. E: 51. Indoor unit fan motor error (Indoor unit) ...........................................................03-18
2-15. E: 53. Drain pump error (Indoor unit) ..........................................................................03-19
2-16. E: 62. Outdoor unit main PCB error (Outdoor unit) .....................................................03-20
2-17. E: 63. Inverter error (Outdoor unit)..............................................................................03-21
2-18. E: 64. PFC circuit error (Outdoor unit) ........................................................................03-22
2-19. E: 65. IPM error (Outdoor unit) ...................................................................................03-23
2-20. E: 71. Discharge thermistor error (Outdoor unit).........................................................03-25
2-21. E: 73. Outdoor unit heat exchanger thermistor error (Outdoor unit)............................03-26
2-22. E: 74. Outdoor temperature thermistor error (Outdoor unit)........................................03-27
2-23. E: 84. Current sensor error (Outdoor unit) ..................................................................03-28
2-24. E: 94. Trip detection (Outdoor unit).............................................................................03-29
2-25. E: 95. Compressor motor control error (Outdoor unit) ................................................03-30
2-26. E: 97. Outdoor unit fan motor error (Outdoor unit) ......................................................03-31
2-27. E: 99. 4-way valve error (Outdoor unit).......................................................................03-32
2-28. E: A1. Discharge temperature error (Outdoor unit) .....................................................03-34
3. Troubleshooting without error code........................................................03-36
3-1. Indoor unit—No power..................................................................................................03-36
3-2. Outdoor unit—No power...............................................................................................03-37
3-3. No operation (Power is on) ...........................................................................................03-38
3-4. No cooling/No heating ..................................................................................................03-39
3-5. Abnormal noise.............................................................................................................03-41
3-6. →ater leaking................................................................................................................03-42
4. Service parts information .........................................................................03-43
CONTENTS
3. TROUBLESHOOTING